1. One of the worst marketing flops of the 1990s was the colorless "Crystal" version of what soft drink?

2. What TV drama had fans endlessly debating the meaning of its six mysterious numbers: 4, 8, 15, 16, 23, 42?

3. What "Goes On," according to the epitaph on Sonny Bono's tombstone?

4. In 1964, telling reporters he could knock out Sonny Liston, Muhammad Ali first referred to himself using what confident nickname?

5. Which letter of the alphabet was used by the Greeks as their letter chi and by the Romans as the number ten?

What’s the "Kennection" between all five answers?